Charles w



(No Model.)

G. WHITNEY. PHOTOGRAPHIG CAMERA.

N0. 446,368. Patented Feb. 10,1891.

UNITED STATES PATENT O EIcE.

CHARLES lVllITNEY, OF CHICAGO, ILLINOIS.

PHOTOGRAPHIC CAMERA.

SPECIFICATION forming part of Letters Patent No. 446,368, dated February 10, 1891.

Application filed August 20, 1889. Serial No. 321,421. (No model.) Patented in Italy April 29, 1890, No. 27,256 '838; in Canada July 2, 1890, No. 34.607, and in France July 17, 1890,1l0. 204,797,

To aZZrohom it may concern.-

lle it known that I, CHARLES WHITNEY, a citizen of the United States, residing in the city of Chicago, in the county of Cook and State of Illinois, have invented new and useful Improvements in Photographic Cameras, (patented to me in France, No. 204.,797, dated July 17,1800; in Italy, No. 27,256/333, dated April 29, 1890, and in Canada, No. 34,607, dated July 2, 1800,) of which the following is a specification.

This invention relates to photographic cameras, and is for the purpose of perfecting and simplifying the operations necessaryin making negative-plate exposures and eeonomizing in the size and dimensions of the construction of such instruments.

It further relates to the construction of a case or box, a shutter device, a feed-roller, a coil of negative material containing sensitized film, a knife for separating the negatives after each exposure, a V-shaped frame, and a compacting arrangement for the cut negatives.

The objects of my invention are to provide a camera containing a sheet of transparent material in ribbon form and coated on one side with a sensitized film for making negativeplates from which photographs may be printed after developing the same, in providin means forfeeding the negative-ribbon to position for exposure and feeding them to position for cutting off and packing away, and in providing means for operating a shutter, a cutting device, and gaging the length of ribbon negative wanted for each exposure. In the arrangement and operation of these parts consists the novelty of my invention. These objects I accomplish in the mannerand by the means hereinafter described and claimed, reference being made to the accompanying drawings, in which Figure 1 is across-section plan view. Fig. 2 is a front elevation showing shutter device, feed-rollers, and coilof negative-ribbon. Fig. 3 is the knife in position. Fig. a is a detail of feed-roller and knife and knife-lever. Fig. 5 is a section view of Fig. 1 modified.

In order to make my invention more comprehensive, I will describe it in detail alphabeticall y, in whi cha indicates the box or case, which may be made of any suitable material, as hard rubber, brass, or wood.

Z) indicates the lens, and may be of any of the well-known kinds, suitably focused.

.c is the shutter.

(Z is the shutter-lever.

c is the shutter-spring.

f is a stop-spring.

g g g g are notched teeth engaging the shutter-spring alternately.

h is the thumb-rod.

t is the spring which brings lever d back to place after being pressed down by the thumbrod.

j is the post holding the shutter and upon which it revolves.

7.: is the V-shaped frame or chamber around which the negative -ribbon is drawn, and through which the rays of light are admitted from the lens I), the walls of the V-fra-me extending from top to bottom of the box, making a light tight compartment, thus protecting the previously exposed and the unexposed ribbon from light.

l is a coil of properly-prepared negativeribbon, which may be put in place by setting it in place without spool or post.

an is a flexible frictionstop, and may be of rubber or any suitable material to render a yielding pressure on the ribbon as it is being drawn to place for exposure.

n is a rubber feed-roller which draws or feeds the negative-ribbon from the coil Z around the back end of the V-shaped frame into the negative receptacle (marked p) by pressing against the side of the box a, Fig. 5, or by pressing against the roller 0, Fig. 1.

q is the knife which severs each negative from the ribbon-belt as it is fed into receptacle p.

'r is alightpress-spring holding the exposed plates in place after they are cut from the ribbon.

s is alever pivot-ed on the box-cover and operating the knife q.

t is a cam on the end of feed-roller 21, which operates lever s. r

a is the negatix -e ribbon.

n c and r are links ard post for operating the knife g.

w is a thumb-lever for operating the feedroller 11.

w is the pivot point of lever s.

It will be seen that by turning the thumblever to the left, that roller being of soft rubber, the negative-ribbon a will be drawn by friction as it is pressed against the boxshow a full-sized camera for making nega- .tives two and one-half inches square or two and one-half inches in diameter. This friction feed-roller is equally valuable for feedin g thin flexible cut plates, and would be made in size to correspond with the size of plate to be moved, so that a plate could be carried to proper position by an equal number .of revolutions or one or more turns of the thumblever. 1

The opening in the V-shaped frame may be round or square where the negative is exposed. v

In operation a coil of negative-ribbon properly coated with the well-known dry-plate film is placed (after removing the box-cover, which may be fastened in any well-known manner) in position, as shown at Z, Fig. 5. The end is then carried around the V-shaped frame to and between the feed-roller a and the side of the box. In this position itis held straight by frictionfpressure at m and between the box-wall. In this position, after placing the cover on securely, it is ready for making an exposure. The exposure is made by pressing upon the thumb-rod h, which brings lever d in contact with the spring j, carrying it to the notched tooth g, and as the lever d is pushed past the end of the spring the strain of the spring is transferred to the shutterdisk. This revolves the shutter disk onequarter revolution, permitting one of the holes y to pass the lens, the lens being covered by the space between the holes in the disk. The pressure on the thumb-rod 71. being released, permits the spring 2 to bring lever 01 back to place, ready for making another exposure. It will be seen, therefore, that the only operatiOns necessary in operating the camera are to turn the thumb-lever 10 one revolution and press the rod h. To press the rod it both loads and trips the shutter. A negative having been fed into the receptacle p, it is now ready to be cut otf. This is accomplished when the feed-rollern is started for a second revolution by a small abrupt cam t or tooth on one end of roller 02 coming in contact with the end of lever s. The movement of the knife being Veryslight,but little movetnentof roller n is required. To accommodate this movement the negative-ribbon is permitted to yield or wrino. The rod is brought back by the spring (1 kle at The cam 75 raising the loose end of lover s, the other end of the lever is thrown down, forcing the rod .2, and this presses the knife forward by means of the toggles t and The inner side of the sliding knife, or that side next the plate which has been cut off, is

serrated and engages the negative, and as the knife is drawn back the negative is th ns moved slightly back, making room for another to be forced in for cutting. The negative-ribbon being very thin, (about the one hundred and fiftieth part of an inch,) but little is required to cut it or move it.

I use and prefer transparent celluloid for the negative-ribbon. However, other materials may be used.

Deeming this description sufficientl'y clear,

what I claim is 1. In a camera, the combination of case a, compartment 70, feed-roller a, knife q, and the negative-ribbon 15, substantially as described.

2. In a camera, the combination of case a, 0

3. In a camera, the combination of the case a, compartment 70, knife q, and compartment 19, substantially as described.

4:. In a camera, the combination of the negative-ribbon, the feed= roller, the knife or shear, and means for operating the same, substantially as described. I

5. In a camera, the knife forced into position by a friction feed-roller for severing the negative-ribbon,in combination with the said feed-roller, substantially as described.

6. In a camera, the rotating shutter adapted both to be set and tripped by a single pressure on the actuating-rod, substantially as described.

7. In a camera, the combination of a relief negative-ribbon, the V-shaped frame, a friction feed-roller, and a receptacle for exposed plates, substantially as described.

8. In a camera, the combination of the roll of negativen'ibbon, the friction feed-roller with friction-pressure between them for holdin g the ribbon straight, and the knife or shear for cutting the ribbon, substantially as described.

9. In a camera, the combination of a roll of I negative-ribbon, the V-shaped frame, the feedroller, the knife, and means for operating the knife, substantially as described.

10. In a camera, the combination of a lens, a shutter, and negative-ribbon, knife, and a friction feed, substantially as described.

11. In a camera, case a and'compartmcnt 70,, adapted to form a triangular inside compartment open at its base, with a lens in its apex, thus in shape conforming to the angle of the rays of light through the lens, and the compartments each side of the apex of compartment 7:, adapted for storing and handling negative-plates, substantially as described.

Iro-

II S

12. In a camera, the combination, with the in combination with a roll of negative-ribbon lens, of a roll of negative-ribbon on one side and a feed-roller in opposite triangular 00111- of the lens, a feed-roller 0n the other side of I partments on either side of the apex of the the lens, mean for revolving said feed-roller, exposure-c0mpartment, substantially as tie and a rigid surface adjacent to said roller, 1 scribed. whereby the ribbon is fed between the roller 1 In testimonywhereof I alfix my signature in and the rigid surface adjacent thereto and 1 presence of two witnesses. caused to advance by friction, substantially as described. CHARLES WHITNEY.

13. In a camera, the case a, having the tri- Witnesses:

angular compartments, the middle compart- O. W. BOND,

ment providing the exposure-compartment, M. L. PRICE. 

